All Common Core: 1st Grade Math Resources
Example Questions
例子问题# 21:Representing And Solving Addition And Subtraction Problems
Joe spentminutes cleaning his room,minutes cleaning his bathroom, andminutes helping his mom clean the kitchen. How much time did Joe spend cleaning?
This is an addition problem because we want to know how many total minutes Joe spent cleaning altogether. When we put things together we are adding.
We can start atand count up.
Then we can count up.
Example Question #22 :Representing And Solving Addition And Subtraction Problems
At school we had a hotdog-eating contest. I atehotdogs, Mel atehotdogs, and Eric atehotdogs. How many total hotdogs did we eat?
This is an addition problem because we want to know how many hotdogs we ate altogether. When we put things together we are adding.
We can start atand count up.
Then we can count up.
Example Question #23 :Representing And Solving Addition And Subtraction Problems
At the cakewalk there arechocolate cakes,yellow cakes, andwhite cakes. How many total cakes are there?
This is an addition problem because we want to know how many cakes are at the cake walk altogether. When we put things together we are adding.
We can start atand count up.
Then we can count up.
例子问题# 21:Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
At Linda’s birthday party there werepeperoni pizzas,sausage pizzas, andcheese pizzas. How many total pizzas were there?
This is an addition problem because we want to know how many total pizzas we have when we put the pizzas altogether. When we put things together we are adding.
We can start atand count up.
Then we can count up.
Example Question #25 :Representing And Solving Addition And Subtraction Problems
Lauren haspencils,markers, andnotebooks in her backpack. How many total items does Lauren have in her backpack?
This is an addition problem because we want to know how many total supplies Lauren has in her backpack when we put everything together. When we put things together we are adding.
We can start atand count up.
Then we can count up.
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